package com.r2coding.system.config;

import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * @author:98k灬
 * @since:2022/05/02 13:07
 **/
@EnableConfigurationProperties(CacheProperties.class)
@EnableCaching
@Configuration
public class MyCacheConfig {
    @Bean
    RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties) {
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
        config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
        config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));
        CacheProperties.Redis redis = cacheProperties.getRedis();
        // 将配置文件中的所有配置都生效
        if (redis.getTimeToLive() != null) {
            config = config.entryTtl(redis.getTimeToLive()); // key默认过期时间  保证最终一致性
        }
        if (redis.getKeyPrefix() != null) {
            config = config.prefixKeysWith(redis.getKeyPrefix()); // key的前缀
        }
        if (!redis.isCacheNullValues()) {
            config = config.disableCachingNullValues();
        }
        if (!redis.isUseKeyPrefix()) {
            config = config.disableKeyPrefix();
        }
        return config;
    }
}
